Patent US3091090A successfully refreshed from Google Patents.
US3091090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile shaft
Assignee: Individual
•
Filing: 1959-12-21
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Granted: 1963-05-28
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Muller Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:28
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/34; E02D5/46; E02D5/24; E02D5/30; E02D5/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A PREFABRICATED PILE SHAFT FOR DRIVING INTO THE GROUND TO BE PERMANENTLY ANCHORED THEREIN, SAID PILE SHAFT COMPRISING SEVERAL LENGTHWISE PARALLEL RIGID BARS DISPOSED TO DEFINE A GENERALLY TUBULAR OPEN METAL FRAMEWORK, JOINING MEANS FIXEDLY SECURED TO SAID BARS FOR SECURING THE SAME IN SAID GENERALLY TUBULAR RELATIONSHIP, A HOLLOW FOOT HAVING A PERIPHERAL OUTLINE WIDER THAN THE MAXIMUM PERIPHERAL OUTLINE OF SAID FRAMEWORK FIXEDLY SECURED TO THE LEADING END OF THE FRAMEWORK IN ALIGNMENT THEREWITH, AN ABUTMENT MEMBER SECURED WITHIN SAID FRAMEWORK AT THE END THEREOF SECURED TO THE FOOT, AND AN ELONGATED PILE DRIVING MEMBER FOR DRIVING THE PILE SHAFT INTO THE GROUND, SAID DRIVING MEMBER EXTENDING INTO SAID FRAMEWORK FROM THE TRAILING END THEREOF SLIDABLE IN REFERENCE TO THE FRAMEWORK AND ABUTTING WITH ITS LEADING END UPON SAID ABUTMENT MEMBER WHEREBY A LONGITUDINALLY DIRECTED DRIVING FORCE APPLIED TO THE TRAILING END OF THE DRIVING MEMBER IS TRANSMITTED BY SAID MEMBER DIRECTLY TO THE LEADING END OF THE FRAMEWORK AND TO THE FOOT SECURED THERETO TO EXERT
Claim 2
Dependent Claim
169 words
A PREFABRICATED PILE SHAFT FOR DRIVING INTO THE GROUND TO BE PERMANENTLY ANCHORED THEREIN, SAID PILE SHAFT COMPRISING SEVERAL LENGTHWISE PARALLEL RIGID BARS DISPOSED TO DEFINE A GENERALLY TUBULAR OPEN METAL FRAMEWORK, JOINING MEANS FIXEDLY SECURED TO SAID BARS FOR SECURING THE SAME IN SAID GENERALLY TUBULAR RELATIONSHIP, A HOLLOW FOOT HAVING A PERIPHERAL OUTLINE WIDER THAN THE MAXIMUM PERIPHERAL OUTLINE OF SAID FRAMEWORK FIXEDLY SECURED TO THE LEADING END OF THE FRAMEWORK IN ALIGNMENT THEREWITH, AN ABUTMENT MEMBER SECURED WITHIN SAID FRAMEWORK AT THE END THEREOF SECURED TO THE FOOT, AND AN ELONGATED PILE DRIVING MEMBER FOR DRIVING THE PILE SHAFT INTO THE GROUND, SAID DRIVING MEMBER EXTENDING INTO SAID FRAMEWORK FROM THE TRAILING END THEREOF SLIDABLE IN REFERENCE TO THE FRAMEWORK AND ABUTTING WITH ITS LEADING END UPON SAID ABUTMENT MEMBER WHEREBY A LONGITUDINALLY DIRECTED DRIVING FORCE APPLIED TO THE TRAILING END OF THE DRIVING MEMBER IS TRANSMITTED BY SAID MEMBER DIRECTLY TO THE LEADING END OF THE FRAMEWORK AND TO THE FOOT SECURED THERETO TO EXERT
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |